21514131

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^2$

素因数の和:172

約数の個数: 36

約数和(自身を含む): 33943728

約数和(自身を除く): 12429597

約数列:

[1, 3, 9, 23, 37, 53, 69, 111, 159, 207, 333, 477, 851, 1219, 1961, 2553, 2809, 3657, 5883, 7659, 8427, 10971, 17649, 25281, 45103, 64607, 103933, 135309, 193821, 311799, 405927, 581463, 935397, 2390459, 7171377, 21514131]

約数ペア:

[(1, 21514131), (3, 7171377), (9, 2390459), (23, 935397), (37, 581463), (53, 405927), (69, 311799), (111, 193821), (159, 135309), (207, 103933), (333, 64607), (477, 45103), (851, 25281), (1219, 17649), (1961, 10971), (2553, 8427), (2809, 7659), (3657, 5883)]